Hollerith code

Hollerith code [hol-uh-rith] Word Origin noun Computers.

1. a system for coding data into punched cards, in which each horizontal row is assigned a different value, and letters, numbers, or special characters are encoded as combinations of these values in a vertical column.

Origin of Hollerith code 1946; named after Herman Hollerith (1860–1929), U.S. inventor of the system